| Index: tracing/tracing/ui/tracks/drawing_container.html
|
| diff --git a/tracing/tracing/ui/tracks/drawing_container.html b/tracing/tracing/ui/tracks/drawing_container.html
|
| index 7fc1653e565333e0339e3ead92194e4e45cda292..e3937671b8be0b47f9ee374e9c369715e00d0dee 100644
|
| --- a/tracing/tracing/ui/tracks/drawing_container.html
|
| +++ b/tracing/tracing/ui/tracks/drawing_container.html
|
| @@ -112,6 +112,10 @@ tr.exportTo('tr.ui.tracks', function() {
|
| var visibleChildTracks =
|
| tr.b.asArray(this.children).filter(this.visibleFilter_);
|
|
|
| + if (visibleChildTracks.length === 0) {
|
| + return;
|
| + }
|
| +
|
| var thisBounds = this.getBoundingClientRect();
|
|
|
| var firstChildTrackBounds = visibleChildTracks[0].getBoundingClientRect();
|
|
|